The Wusthof 10 in Honing Steel 3039700626 :
Wusthof Classic 10 in. Sharpening Steel should be used regularly to maintain healthy knives.
Over time, knives will deteriorate and lose their edge.
Honing re-aligns the microscopic teeth in the blade that can’t be seen with the naked eye.
By regularly honing your knives, you will maximize the time in between sharpening.